{
  "manageEntity": {
    "action": "Repost",
    "entityId": "31221159",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9b64031215ac0356db563595b644b6a83c0c8d5d57bd8450506f241c71726b53",
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    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}